The necessity of conditions for graph quantum ergodicity and Cartesian products with an infinite graph
Anantharaman and Le Masson proved that any family of eigenbases of the adjacency operators of a family of graphs is quantum ergodic (a form of delocalization) assuming the graphs satisfy conditions of expansion and high girth. In this paper, we show that neither of these two conditions is sufficient...
Main Author: | McKenzie, Theo |
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Format: | Article |
Language: | English |
Published: |
Académie des sciences
2022-04-01
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Series: | Comptes Rendus. Mathématique |
Online Access: | https://comptes-rendus.academie-sciences.fr/mathematique/articles/10.5802/crmath.316/ |
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